JPL-led study shows bromine explosion on March 13, 2008 across the Alaskan North Slope looking south toward the Brooks Range at the horizon, which blocked the bromine from going further south into the Alaskan interior.

JPL-led study shows bromine explosion on March 13, 2008 across the western Northwest Territories in Canada looking toward the Mackenzie Mountains at the horizon, which prevented the bromine from crossing over into Alaska.